Domestic violence linked to 15% of all homicides w/ 7 out of 10 victims women:
Some 437,000 people murdered worldwide in 2012, according to new UNODC study
Men made up almost 8 out of every 10 homicide victims, women accounted for vast majority of domestic violence fatalities
http://www.unodc.org/unodc/en/press/releases/2014/April/some-437000-people-murdered-worldwide-in-2012-according-to-new-unodc-study.html